PeKemecum is an application of clinical utility aimed primarily at Primary and Rural Health Family doctors. It is a calculator of dosage of drugs in the pediatric age. It is a tool to help the professional, which reduces the possible errors and the time of calculation of the doses. The pediatric therapeutic needs of the Family Doctor in Primary Care differ greatly in relation to the Hospital Care. PeKemecum is the ideal tool for the extra hospital environment. Among its main advantages are: - Adaptation of the doses to real needs of the consultation. - Simplification of the calculation. - Possibility of calculation both by weight and age. - Simultaneous calculation of all commercial presentations of the active ingredient in the market. - Additional information on each drug. - Great ease of use and very intuitive. The active ingredients most used in the Pediatric Care consultation have been included. For its development it has been based on the information collected from the technical sheet of each drug and in the guides published by the different Pediatric Associations and national reference hospitals. The data used in PeKemecum are the result of the greater consensus offered among the different sources of information. PeKemecum should only be used by personnel with sufficient knowledge and training to prescribe treatments. The authors are not responsible for the consequences suffered by inadvertent errors or by the incorrect use of the application could be made. The user is the ultimate responsible for the prescription. If you have any doubts, it is recommended to consult the technical data sheet in the link indicated in About PeKemecum.